With more than 180 members, ESA represents a diverse group of companies, including independent power producers, electric utilities, energy service companies, financiers, insurers, law firms, installers, manufacturers, component suppliers and integrators involved in deploying energy storage systems around the globe. Interested in becoming a member?
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Leadership Circle Members

Able Grid
    Acciona Energy USA
      Clearway Energy Group
        Con Edison Battery Storage
          Cypress Creek Renewables
            Doosan GridTech
              Duke
              • Board Member
              East Penn
                EDF
                  Enel Green Power
                    Fluence
                    • Board Member
                    GE Renewable Energy
                    • Board Member
                    Google
                      Highview Power Storage
                        Invenergy LLC
                          Key Capture Energy
                            LG Chem Ltd
                              Lockheed Martin Energy
                                LS Energy Solutions
                                  MAP Energy
                                    McCarthy Building Companies, Inc.
                                      Mortenson
                                        National Grid
                                          NEC
                                            New York Power Authority (NYPA)
                                              NextEra Energy, Inc.
                                                PPL Corporation
                                                  RWE
                                                  • Board Member
                                                  Shell New Energies US
                                                    Stem Inc.
                                                      Swinerton Renewable Energy
                                                      • Board Member
                                                      US BlackRock Renewable Power

                                                        Full Members

                                                        127 Energy
                                                          8Minute Solar Energy
                                                            Advanced Microgrid Systems
                                                              Agilitas Energy, LLC
                                                                Amber Kinetics
                                                                  Ameresco, Inc.
                                                                  • Board Member
                                                                  American Municipal Power, Inc
                                                                    American Transmission Company
                                                                      Ardent Edge
                                                                        Argonne National Laboratory
                                                                          Arizona Public Service
                                                                            Ascend Analytics
                                                                              Atwell Group
                                                                                BlueWave Solar
                                                                                  Blymyer Engineers, Inc
                                                                                    Brenmiller Energy
                                                                                      California Energy Commission
                                                                                        California Independent System Operator
                                                                                          Call2Recycle, Inc.
                                                                                            Candela Renewables
                                                                                              Catalyze
                                                                                                Citizens Energy Corporation
                                                                                                  Clean Feet Investers I, LLC
                                                                                                    CleanCapital
                                                                                                      CMS Energy
                                                                                                        Cobra Instalaciones y Servicios
                                                                                                          Coffman Engineers
                                                                                                            Community Energy Solar
                                                                                                              ConnectGen LLC
                                                                                                                Connexus Energy
                                                                                                                  Convergent Energy + Power
                                                                                                                    Crowell & Moring, LLP
                                                                                                                      CSA Group
                                                                                                                        Customized Energy Solutions, LTD.
                                                                                                                        • Sponsorship Partner
                                                                                                                        Delorean Power LLC
                                                                                                                          DG Power LLC
                                                                                                                            Dimension Renewable Energy
                                                                                                                              DNV GL Energy
                                                                                                                                DTE Electric
                                                                                                                                • Policy Partner
                                                                                                                                Duke
                                                                                                                                • Board Member
                                                                                                                                Dynapower Company LLC
                                                                                                                                  e2comply, LLC.
                                                                                                                                    East Light Partners
                                                                                                                                      East Point Energy
                                                                                                                                        Ecoplexus
                                                                                                                                          EDP Renewables North America
                                                                                                                                            Energy Intelligence Partners
                                                                                                                                              Energy Storage Response Group
                                                                                                                                                Enertis Solar Inc
                                                                                                                                                  ENGIE North America
                                                                                                                                                  • Board Member
                                                                                                                                                  Eos Energy Storage
                                                                                                                                                    EPC Power Corp
                                                                                                                                                      EPRI
                                                                                                                                                        Eskom Holdings SOC Limited
                                                                                                                                                          EsVolta LP
                                                                                                                                                            Eversheds Sutherland LLP
                                                                                                                                                              Eversource Energy
                                                                                                                                                              • Policy Partner
                                                                                                                                                              EVgo
                                                                                                                                                              • Board Member
                                                                                                                                                              Exelon Utilities
                                                                                                                                                              • Policy Partner
                                                                                                                                                              FastGrid
                                                                                                                                                                FlexGen
                                                                                                                                                                  Fluence
                                                                                                                                                                  • Board Member
                                                                                                                                                                  Foley Hoag LLP
                                                                                                                                                                    Forefront Power Development
                                                                                                                                                                      GE Renewable Energy
                                                                                                                                                                      • Board Member
                                                                                                                                                                      GlidePath Power Solutions
                                                                                                                                                                      • Policy Partner
                                                                                                                                                                      Gravity Storage Inc.
                                                                                                                                                                        Green Power EMC
                                                                                                                                                                          Hannon Armstrong
                                                                                                                                                                            Hanwha Energy USA
                                                                                                                                                                              Hecate Grid LLC
                                                                                                                                                                                Hotstart
                                                                                                                                                                                  Hydrostor
                                                                                                                                                                                    Hyosung Corporation
                                                                                                                                                                                      IHI Energy Storage
                                                                                                                                                                                        Imperial Irrigation District
                                                                                                                                                                                          Innolith AG
                                                                                                                                                                                            Intertek Testing Services, NA
                                                                                                                                                                                              IPS Solar
                                                                                                                                                                                                Jupiter Power LLC
                                                                                                                                                                                                  K&L Gates
                                                                                                                                                                                                    Kiewit
                                                                                                                                                                                                      Kilpatrick Townsend & Stockton LLP
                                                                                                                                                                                                        Kirkland & Ellis LLP
                                                                                                                                                                                                          KORE Power
                                                                                                                                                                                                            LendLease Energy Development
                                                                                                                                                                                                              Li-Ion Tamer
                                                                                                                                                                                                                Longitude 122 West
                                                                                                                                                                                                                  LS Power Development
                                                                                                                                                                                                                    Massachusetts Clean Energy Center (MassCEC)
                                                                                                                                                                                                                      Maxwell Technologies, Inc.
                                                                                                                                                                                                                      • Sponsorship Partner
                                                                                                                                                                                                                      Mitsubishi Electric Power Products, Inc.
                                                                                                                                                                                                                        NantEnergy
                                                                                                                                                                                                                          National Rural Electrical Cooperative Association
                                                                                                                                                                                                                            National Rural Utilities Cooperative Finance Corporation (CFC)
                                                                                                                                                                                                                            • Board Member
                                                                                                                                                                                                                            New England Battery Storage
                                                                                                                                                                                                                              Nikola Power
                                                                                                                                                                                                                                North American Development Bank
                                                                                                                                                                                                                                  NRStor C&I
                                                                                                                                                                                                                                    Oatfield LLC
                                                                                                                                                                                                                                      Oncor
                                                                                                                                                                                                                                        Open Road Renewables
                                                                                                                                                                                                                                          Oriden
                                                                                                                                                                                                                                            Origis Energy USA
                                                                                                                                                                                                                                              Orsted Energy Storage and Solar
                                                                                                                                                                                                                                                Pacific Gas and Electric Company
                                                                                                                                                                                                                                                • Board Member
                                                                                                                                                                                                                                                Pacific Northwest National Laboratory
                                                                                                                                                                                                                                                  Panasonic
                                                                                                                                                                                                                                                    Pattern Energy Group
                                                                                                                                                                                                                                                      Peak Power
                                                                                                                                                                                                                                                        Pierce Atwood LLP
                                                                                                                                                                                                                                                          Pine Gate Renewables
                                                                                                                                                                                                                                                            Plus Power
                                                                                                                                                                                                                                                              PowerSecure Inc.
                                                                                                                                                                                                                                                                Powin Energy
                                                                                                                                                                                                                                                                  Prisma Energy Solutions, LLC.
                                                                                                                                                                                                                                                                    Rappahannock Electric Cooperative
                                                                                                                                                                                                                                                                    • Board Member
                                                                                                                                                                                                                                                                    Recurrent Energy
                                                                                                                                                                                                                                                                      RES Group
                                                                                                                                                                                                                                                                        Roland Berger LLC
                                                                                                                                                                                                                                                                        • Board Member
                                                                                                                                                                                                                                                                        RWE
                                                                                                                                                                                                                                                                        • Board Member
                                                                                                                                                                                                                                                                        S3.Energy
                                                                                                                                                                                                                                                                          Salt River Project
                                                                                                                                                                                                                                                                            SaltX Technology
                                                                                                                                                                                                                                                                              Sandia National Laboratories
                                                                                                                                                                                                                                                                                Savion, LLC
                                                                                                                                                                                                                                                                                  Schneider Electric
                                                                                                                                                                                                                                                                                    Shaw Consulting
                                                                                                                                                                                                                                                                                    • Board Member
                                                                                                                                                                                                                                                                                    Siemens Gamesa
                                                                                                                                                                                                                                                                                      Sinexcel
                                                                                                                                                                                                                                                                                        SK Innovation
                                                                                                                                                                                                                                                                                          SMA - America
                                                                                                                                                                                                                                                                                            SNC-Lavalin
                                                                                                                                                                                                                                                                                              Solar Turbines
                                                                                                                                                                                                                                                                                                Southern Company
                                                                                                                                                                                                                                                                                                • Policy Partner
                                                                                                                                                                                                                                                                                                Spano VPP DevCo LLC
                                                                                                                                                                                                                                                                                                  Standard Solar
                                                                                                                                                                                                                                                                                                  • Policy Partner
                                                                                                                                                                                                                                                                                                  Stantec
                                                                                                                                                                                                                                                                                                    Sterling Municipal Light Company
                                                                                                                                                                                                                                                                                                      StorEn Technologies Inc.
                                                                                                                                                                                                                                                                                                        Strata Solar
                                                                                                                                                                                                                                                                                                          Sungrow
                                                                                                                                                                                                                                                                                                            Sunnova
                                                                                                                                                                                                                                                                                                              Sunwoda Electronic Co., Ltd.
                                                                                                                                                                                                                                                                                                                Swinerton Renewable Energy
                                                                                                                                                                                                                                                                                                                • Board Member
                                                                                                                                                                                                                                                                                                                Tennessee Valley Authority
                                                                                                                                                                                                                                                                                                                  Trane
                                                                                                                                                                                                                                                                                                                  • Policy Partner
                                                                                                                                                                                                                                                                                                                  UL
                                                                                                                                                                                                                                                                                                                    UniEnergy Technologies
                                                                                                                                                                                                                                                                                                                      Viking Cold Solutions
                                                                                                                                                                                                                                                                                                                        Vinson & Elkins LLP
                                                                                                                                                                                                                                                                                                                          Vionx Energy
                                                                                                                                                                                                                                                                                                                            Viridity Energy
                                                                                                                                                                                                                                                                                                                              VRB Energy
                                                                                                                                                                                                                                                                                                                                Wärtsilä
                                                                                                                                                                                                                                                                                                                                  WattsUp Power A/S
                                                                                                                                                                                                                                                                                                                                    Westwood Professional Services

                                                                                                                                                                                                                                                                                                                                      Associate Members

                                                                                                                                                                                                                                                                                                                                      California Energy Storage Alliance
                                                                                                                                                                                                                                                                                                                                      • Organizational
                                                                                                                                                                                                                                                                                                                                      Edison Electric Institute
                                                                                                                                                                                                                                                                                                                                      • Organizational
                                                                                                                                                                                                                                                                                                                                      North Carolina Sustainable Energy Association
                                                                                                                                                                                                                                                                                                                                      • Organizational

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